Umarex HDR50/TR50: Z-RAM EX25 and Unthreaded 12g CO₂
The EX25 capsule interface is different from the ordinary unthreaded 12g arrangement. Here is how to separate the valve, its listed capsules and the ZDR50v2 housing.
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Z-RAM EX25 vs Z-MAG: Why 16g and 20g CO₂ Labels Do Not Prove Fit
EX25 and Z-MAG both name 16 g and 20 g CO₂ capsules, but their capsule connections differ. The EX25 valve takes threaded formats; the Z-MAG magazine frame uses non-threaded formats on a separate marker...
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